package day01;

/***
 * @author hunter.d
 * @qq 657270652
 * @wx haitao-duan
 * @date 2021/2/27
 **/
public class HelloWorld {


    public static void main(String[] args) {

        byte b = 127;

        byte c  = (byte) 128;

        System.out.println(b);
        System.out.println(c);

    }
}
